from libnum import *

p = 262248800182277040650192055439906580479
q = 262854994239322828547925595487519915551
e = 65533
c = 27565231154623519221597938803435789010285480123476977081867877272451638645710
n = p*q
d = invmod(e, (p-1)*(q-1))
m = pow(c, d, n)
flag = n2s(m).decode()
print(flag) # flag{B4by_Rs4}